Background concentration

{
  "id": "MLC-T-CHM-001074",
  "term": "Background concentration",
  "field": "Chemistry",
  "definition": "The typical concentration of a substance in an environmental medium, such as air, water, or soil, that is not directly influenced by local anthropogenic sources. It represents the natural or baseline level of a chemical in a given area. This value serves as a reference point for assessing pollution levels.",
  "synonyms": [
    "baseline concentration",
    "background level"
  ],
  "subject": "Chemistry and the Environment",
  "see_also": [
    "lifetime"
  ],
  "references": [
    "PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2175 (https://doi.org/10.1351/pac199062112167)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/background-concentration/"
}